Maintainers for gnome-illustrious-icon-theme are GNOME-Colors Packagers <gnome-colors-packagers@lists.launchpad.net>.
You may want to refer to the following packages that are part of the same source: gnome-brave-icon-theme, gnome-colors, gnome-colors-common, gnome-dust-icon-theme, gnome-human-icon-theme, gnome-noble-icon-theme, gnome-wine-icon-theme, gnome-wise-icon-theme.
You might like to refer to the gnome-illustrious-icon-theme package page, to the Package Tracking System, or to the source package src:gnome-colors's bug page.
If you find a bug not listed here, please report it.